Trailer

Abstract

A trailer which has a rectangular frame formed by some of its chassis members and a body which comprises a moulding assembly having a base portion and an upper portion, the base portion having a register which engages the rectangular frame and the upper portion having a peripheral zone which engages the periphery of the base portion.

I claim: 
     
       1. A trailer comprising a chassis having longitudinal and transverse chassis members defining an open rectangular frame, a moulding assembly having a base portion and an upper portion, and wheels, the base portion having a floor surrounded by vertical walls which merge into horizontal walls to define a register engaged and supported by all the chassis members of the rectangular frame, the base portion having further portions which extend upwardly from the horizontal walls and merge at their upper ends into an outwardly extending peripheral flange and which provide strength in vertical and horizontal planes both at the periphery of the floor and at the periphery of the base portion,   the upper portion having an outer peripheral zone which engages the peripheral flange of the base portion, an upper portion and an inner peripheral lip,   and means joining said outer peripheral zone and said base portion peripheral flange.   
     
     
       2. A trailer according to claim 1 wherein said chassis comprises a transverse member secured at its ends to the underside of said peripheral frame, a draw bar extending forwardly from said transverse member and also secured to the underside of said peripheral frame,   said transverse member and draw bar further supporting said floor.   
     
     
       3. A trailer according to claim 2 comprising wheel arms carrying respective wheels, and resilient mounting means between respective said wheel arms and said transverse member. 
     
     
       4. A trailer according to claim 1 wherein said upper portion peripheral zone web comprises a web which lies in face to face contiguity with said base portion peripheral flange, and a skirt which surrounds and depends from said web. 
     
     
       5. A trailer according to claim 4 wherein said upper portion comprises walls extending upwardly from said web, merging into an upper portion which extends inwardly, and downwardly from the upper portion in said inner peripheral lip which defines a charging opening for the trailer. 
     
     
       6. A trailer according to claim 1 wherein both said base and upper portions are formed from polymeric sheet material by a vacuum forming process.